In the wake of Justin and Selena’s monumental break up, the rumor mill is going into overdrive about what really happened. According to a new report, they had a big ‘blowout fight!’

As previously reported by HollywoodLife.com, Selena and Justin broke up because of Selena’s reported jealously, and it was Justin’s flirting with other girls that drove her to ultimately end their relationship.

“Justin and Selena had a blow out fight that led to their breakup. She was screaming at him and ended it,” an insider told In Touch. The source continued, “Selena thought he was lying. Unexplained absences, girls texting him late at night.”